The MIL-DTL-38999 Series II connectors are designed for demanding environments, featuring up to 128 contacts within an insert. With a wide operating temperature range of -65 °C to 200 °C, these connectors offer reliable performance in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they provide versatility for different applications. Constructed with aluminum shells and offering multiple plating options including gold and electroless nickel, these connectors ensure durability and corrosion resistance. Compliant with military specification MIL-DTL-38999 II, they are ideal for use in aerospace, defense, and other rugged industries.